Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  6c6fcf1dbd38828514268429b1879337e67782c2

Cache multiple requests for $resizable's offset

Both the resize handles and the size label position themselves
using $resizable's relative offset, so we can optimise by
caching that result.

Change-Id: Ic225b15cfcece8d5c2e782e1e667d854f805c6fb